Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 76, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 1, 2011, 12:56 PM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 1, 2011, 12:56 PM EDT (16:56 UTC)
- Expired
- Jun 1, 2011, 1:56 PM EDT
- In force
- 60 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Carbon County, PA, Monroe County, PA
The radar
The Binghamton radar (KBGM), 124 km from the middle of the area, began a volume at 16:58 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 4.9 hours before the alert went out and 198 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2843 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1042 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 319 m²/s²
- 0-3 km storm-relative helicity
- 336 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
488
WUUS51 KPHI 011656
SVRPHI
PAC025-089-011815-
/O.NEW.KPHI.SV.W.0076.110601T1656Z-110601T1815Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1256 PM EDT WED JUN 1 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL CARBON COUNTY IN NORTHEAST PENNSYLVANIA...
NORTHERN MONROE COUNTY IN NORTHEAST PENNSYLVANIA...
THIS INCLUDES THE CITY OF MOUNT POCONO...
* UNTIL 215 PM EDT
* AT 1249 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 15
MILES NORTHWEST OF WHITE HAVEN...OR 10 MILES SOUTHWEST OF
WILKES-BARRE...AND MOVING EAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
6 MILES NORTH OF BLAKESLEE AROUND 130 PM EDT...
GOULDSBORO STATE PARK AND POCONO PINES AROUND 145 PM EDT...
TOBYHANNA AROUND 150 PM EDT...
MOUNT POCONO AROUND 155 PM EDT...
CANADENSIS...MOUNTAINHOME...PARADISE VALLEY AND 6 MILES NORTH OF
ALPINE MOUNTAIN AROUND 205 PM EDT...
SKYTOP AROUND 210 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
&&
LAT...LON 4125 7513 4116 7516 4115 7511 4101 7518
4105 7578 4111 7576 4114 7570 4113 7564
4121 7557 4125 7550 4125 7531 4126 7515
TIME...MOT...LOC 1656Z 266DEG 27KT 4116 7596
$$
MPD2 follow-up statements
835
WWUS51 KPHI 011734
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
134 PM EDT WED JUN 1 2011
PAC025-089-011815-
/O.CON.KPHI.SV.W.0076.000000T0000Z-110601T1815Z/
CARBON PA-MONROE PA-
134 PM EDT WED JUN 1 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR NORTHERN MONROE AND NORTH CENTRAL CARBON COUNTIES...
AT 130 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR BLAKESLEE...OR 13 MILES SOUTHEAST OF WILKES-BARRE...
MOVING EAST AT 30 MPH.
THERE ARE INDICATIONS THAT THIS STORM MAY HAVE WEAKENED SOME BUT
CONDITIONS STILL FAVOR STRENGTHENING AND POSSIBLE SEVERE WEATHER.
THE SEVERE THUNDERSTORM WILL BE NEAR...
BLAKESLEE AND LAKE HARMONY BY 140 PM EDT...
POCONO PINES BY 150 PM EDT...
TOBYHANNA AND GOULDSBORO STATE PARK BY 155 PM EDT...
MOUNT POCONO BY 200 PM EDT...
MOUNTAINHOME...PARADISE VALLEY...CANADENSIS AND ALPINE MOUNTAIN BY
210 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NEW JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 4125 7513 4116 7516 4115 7511 4101 7518
4105 7578 4111 7576 4114 7570 4113 7564
4121 7557 4125 7550 4125 7531 4126 7515
TIME...MOT...LOC 1731Z 266DEG 27KT 4113 7567
$$
AMC609
WWUS51 KPHI 011756
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
156 PM EDT WED JUN 1 2011
PAC025-089-011805-
/O.CAN.KPHI.SV.W.0076.000000T0000Z-110601T1815Z/
CARBON PA-MONROE PA-
156 PM EDT WED JUN 1 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MONROE AND NORTH
CENTRAL CARBON COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED OVER MONROE COUNTY
AND NO LONGER POSES A SEVERE WEATHER THREAT.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NEW JERSEY AND EASTERN PENNSYLVANIA.
LAT...LON 4125 7513 4116 7516 4115 7511 4101 7518
4105 7578 4111 7576 4114 7570 4113 7564
4121 7557 4125 7550 4125 7531 4126 7515
TIME...MOT...LOC 1755Z 266DEG 27KT 4114 7543
$$
AMCThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 1:57 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 63 min |
| Jun 1, 2:42 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Lehigh | 52 min |
| Jun 1, 3:08 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 16 min |
| Jun 1, 4:15 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 45 min |
| Jun 1, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 26 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.